Night sweats are episodes of nighttime sweating that soak your nightclothes or bedding and are related to some underlying cause. You may occasionally awaken after perspiring excessively, particularly if you are sleeping under too many blankets or if your bedroom is too warm. These episodes are usually not labeled as night sweats and, although uncomfortable, typically aren't a sign of a medical problem.

Schedule a doctor's visit if night sweats:

Occur on a regular basis

Interrupt your sleep

Are accompanied by a fever or other symptoms, such as unexplained weight loss

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